//******************************************************************
//******************************************************************
//**********          ANts Peer To Peer Sources        *************
//
// ANts P2P realizes a third generation P2P net. It protects your
// privacy while you are connected and makes you not trackable, hiding
// your identity (ip) and crypting everything you are sending/receiving
// from others.

// Copyright (C) 2004  Roberto Rossi

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.


package ants.p2p.utils.indexer;

public class FileSize implements Comparable{
  long size;

  public FileSize(long size){
    this.size = size;
  }

  public int compareTo(Object o){
    if(o instanceof FileSize){
      long diff = this.size - ( (FileSize) o).size;
      return diff == 0 ? 0 : (diff > 0 ? 1 : -1);
    }
    else
      return this.compareTo(o);
  }

  public String toString(){
    double dSize = size;
    double currentSize = dSize;
    int x = 0;
    while (dSize > 1 && x < 4) {
      dSize = dSize / Math.pow(2, 20);
      x++;
    }
    String suffix = " bytes";
    String size = currentSize+suffix;
    if (x == 2) {
      suffix = " Mb";
      size = (new Double(currentSize * 1.0 / Math.pow(2, 20))).
          toString();
      int index = size.indexOf(".");
      if (index >= 0)
        size = size.substring(0, index + 2);
      size += suffix;
    }
    if (x == 3) {
      suffix = " Gb";
      size = (new Double(currentSize * 1.0 / Math.pow(2, 30))).
          toString();
      int index = size.indexOf(".");
      if (index >= 0)
        size = size.substring(0, index + 2);
      size += suffix;
    }
    return " " + size;

  }
}
